Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGWZwIF0Ba5W2vI+2o3t+pxKnWNlh3qVqzJMGvEdbvtpBIu+gay+KVo2XSg… (844 chars)"
  }
}